Teac AG20D Troubleshooting, Problem Probable Cause Suggestion Amplifier, Tuner, Surround Effects

TROUBLESHOOTING

To determine a problem with your AV Receiver, always check the most obvious possible causes first. If a problem still exists after having checked the possible causes below, consult your nearest dealer.

Problem	Probable Cause	Suggestion
Amplifier
When listening to the music in	Incorrect speaker connections.	Check and reconnect the speakers
stereo, Left/Right speakers are		to the correct output on the
reversed.		AVR-618 rear panel.
Low hum or buzzing sound	The power cable of a fluorescent	Place this product as far as
	light is installed near this product or	possible from electric devices
	speaker cables running over other	which emit electrical interference.
	power cables.
Sound is only heard from one	One of the input cables is	Connect the input cables securely
channel	disconnected or the BALANCE	And check the BALANCE control.
	control is set incorrectly.
Sound cuts off when listening to	Speaker impedance is less than	After turning off the power and then
the music or no sound even though	prescribed for this unit.	turning it on again, reduce the
power is ON.		volume or change to the correct 6
		ohm speakers.
Low bass response.	Speaker polarity (+/-) is reversed.	Check all speakers for correct
		polarity.
Tuner
A hissing noise is heard when	White noise may be heard	Try reducing the treble sound by
listening to the broadcast in stereo,	because the method used for	adjusting the treble controls.
but not heard when listening in	modulation of FM stereo
Mono.	broadcasts which is different to that
	used for monaural broadcasts.
White noise is excessive in both	Poor location and/or direction of	Set the FM mode to monaural by
stereo and monaural broadcasts.	the antenna or the transmitter	pressing the STEREO/MONO
	station is too far away.	button. (Note: that the broadcast
		will then be heard in Mono).
Sound is distorted and/or the	Broadcast signals are receiving	If an indoor antenna is being used,
volume level is low.	interference.	change to an outdoor antenna
Excessive distortion in Stereo	Weak signal.	Try using an antenna with more
mode.		elements.

Surround Effects

(Important) The Centre and Rear speakers only operate when the unit is set to a Surround Sound mode and the source material being played is recorded or broadcast in Dolby Digital, DTS or Dolby Pro Logic surround sound. Stereo broadcasts or recordings will produce some rear channel effects when played in a surround mode. However, mono sources will not produce sound from the rear speakers.

No sound from the rear speakers	SURROUND ON/OFF button is set	Set SURROUND ON/OFF to the
	to OFF. Source being played is not	desired surround sound mode.
	recorded or broadcast in surround	Use a surround or stereo source.
	sound or stereo. One or more of	Check all rear speaker cables for
	the rear speakers is not connected	good connections.
	properly.
No sound from the Centre speaker	SURROUND mode is not set to	Set the SURROUND mode to
	DOLBY DIGITAL, DTS or DOLBY	DOLBY DIGITAL, DTS or DOLBY
	PRO LOGIC.	PRO LOGIC.
Remote Control Unit
Remote control not working	The batteries are exhausted. The	Replace with new batteries.
	remote control unit is too far from	Operate the Remote Control unit
	this unit or out of the effective	within the effective range
	range

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